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SPI_PUSH(3)		PostgreSQL 9.6.3 Documentation		   SPI_PUSH(3)

       SPI_push	- push SPI stack to allow recursive SPI	usage

       void SPI_push(void)

       SPI_push	should be called before	executing another procedure that might
       itself wish to use SPI. After SPI_push, SPI is no longer	in a
       "connected" state, and SPI function calls will be rejected unless a
       fresh SPI_connect is done. This ensures a clean separation between your
       procedure's SPI state and that of another procedure you call. After the
       other procedure returns,	call SPI_pop to	restore	access to your own SPI

       Note that SPI_execute and related functions automatically do the
       equivalent of SPI_push before passing control back to the SQL execution
       engine, so it is	not necessary for you to worry about this when using
       those functions.	Only when you are directly calling arbitrary code that
       might contain SPI_connect calls do you need to issue SPI_push and

PostgreSQL 9.6.3		     2017			   SPI_PUSH(3)


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